mass noun] the imparting or exchanging of information by speaking, writing, or using some other medium:
television is an effective means of communication
at the moment I am in communication with London
[count noun] a letter or message containing information or news:
a telephone communication
the successful conveying or sharing of ideas and feelings:
there was a lack of communication between Pamela and her parents
social contact:
she gave him some hope of her return, or at least of their future communication
2 (communications) means of sending or receiving information, such as telephone lines or computers:
satellite communications